Cover -- Title -- Copyright -- Dedication -- Contents -- Acknowledgments -- 1 Introduction: The Humpback Chub -- 1.1 Intrinsic Value -- 1.2 Are Species Real? -- 1.3 Moving from a Description of Species to the Preservation of Species -- 1.4 Species' Intrinsic Goods and the Need to Move beyond Instrumental Goods -- 1.5 The Contemporary Relevance of Species Preservation -- 1.6 Outline of Book -- 2 Species Concepts and Ontology -- 2.1 Faulty Species Concepts -- 2.2 Phylogenetic Systematics (Cladism) and the Objection to the BSC -- 2.3 Introducing the Hennigian Species Concept -- 2.4 The Two Primary Objections to the HSC -- 3 Rolston's Account: Objective Value -- 3.1 What Are Species, for Rolston? -- 3.2 The Move from Is to Value -- 3.3 The Move (or Lack Thereof) from Value to Ought -- 3.4 Additional Problems with the Ecological and Evolutionary Species Concepts -- 4 Johnson's Account: Well-Being Interests -- 4.1 Intrinsically Valuable Interests and the Intrinsic Value of Humans -- 4.2 The Well-Being Interests of Species -- 4.3 Johnson's Problematic Appeal to the Ecological Species Concept -- 4.4 Why Johnson's Account Is Unsubstantiated -- 5 Callicott's Account: Leopold's Story -- 5.1 How We Come to Intrinsically Value Nature -- 5.2 Why Should We Preserve Species' Intrinsic Value? -- 6 The Intrinsic Goods of Species -- 6.1 Flourishing and Species -- 6.2 The Human Species Being in Danger -- 6.3 A Summation of the Intrinsic Value Account for Sexual Species -- 6.4 Distinguishing Intrinsic Goods -- 6.5 Postscript -- 7 The Role of Humility -- 7.1 The Normative Conception of Humility -- 7.2 "De-Extinction" of Species? -- 8 Problems and Solutions -- 8.1 Regan's Objection -- 8.2 Sandler's Objection -- 8.3 What about the Flourishing of a Hurricane? -- 8.4 What about the Flourishing of a Tractor? -- 8.5 Invasive Species.